condition mean min max 4 h after light 190.7 190.7 190.7 8 h after light 195.8 153.3 238.3 12 h after light 171.75 163.3 180.2 4 h after dark 181.5 169.6 193.4 8 h after dark 215.35000000000002 211.4 219.3 12 h after dark 182.35 166.2 198.5